Description
The TUA 4307 is a one chip car radio Package system consisting of AM/FM receiver, AM-Up/Down conversion, AGC amplifier / demodulator, FM-IF limiter amplifier / demodulator and stereodecoder / noiseblanker.
Features
- AM/FM-Receiver
s Only one 2-pin-oscillator for the 1st LO; in AM mode the oscillator frequency is divided
s FM/AM field strength output combined
FM-Mode
s Integrated AGC generation for PIN Diodes and MOSFETs
s High input/output 3rd order interceptpoint
FM-IF Demodulator
s IF counter output with request function pin
s Station detector with S curve criterion and adjustable fieldstrength threshold (Output combined with AM)
Stereodecoder
s Adjustment free oscillator with ceramic resonator 912 kHz.